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ui/gtk-egl: Render guest content with padding in fixed-scale mode

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Scaling was not respected when rendering frames in gtk-egl.c (used if
gl=on and X11 mode). To fix this, add fields x and y to struct egl_fb
for x offset and y offset so we can add padding to window.

Signed-off-by: Weifeng Liu <weifeng.liu.z@gmail.com>
Message-ID: <20250511073337.876650-10-weifeng.liu.z@gmail.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Weifeng Liu 2025-05-11 15:33:19 +08:00 • committed by Marc-André Lureau
parent fdc09b028f
commit f05e1a93f4
4 changed files with 43 additions and 9 deletions
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2
ui/sdl2-gl.c
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@ -241,7 +241,7 @@ void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
SDL_GetWindowSize(scon->real_window, &ww, &wh);
egl_fb_setup_default(&scon->win_fb, ww, wh);
egl_fb_setup_default(&scon->win_fb, ww, wh, 0, 0);
egl_fb_blit(&scon->win_fb, &scon->guest_fb, !scon->y0_top);
SDL_GL_SwapWindow(scon->real_window);